CVE-2026-58036 LOW

CVE-2026-58036: Users API leaks whether privileged users have their user groups disabled for lack of 2FA

Vendor Wikimedia Foundation
Product MediaWiki
Weakness CWE-200 · Info exposure
Published July 1, 2026
Last update July 1, 2026
View on NVD All CVEs

CVSS base score

2.1/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction —
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Api/ApiQueryAllUsers.Php, includes/Api/ApiQueryUsers.Php, includes/Permissions/PermissionManager.Php, includes/User/UserGroupManager.Php.

Key dates

02Disclosure timeline

July 1, 2026 CVE published